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CVE-2023-33009 - Zyxel Multiple Firewalls

AI Vulnerability Context

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Pa...

Overview

A source-backed snapshot of this vulnerability.

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.

CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.

Vulnerability status

How serious this vulnerability is and whether it is known to be exploited.

CISA KEVCRITICAL
CVE ID
CVE-2023-33009
Vendor/project
Zyxel
Product
Multiple Firewalls
Vulnerability name
Zyxel Multiple Firewalls Buffer Overflow Vulnerability
Date added
2023-06-05
Due date
2023-06-26
Known ransomware campaign use
Unknown
CVSS v3
9.8
CWE-120

Exploit context

What the vulnerability is about.

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.

Related AI techniques

AI attack methods connected to this vulnerability.

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No related AI attack methods. No AI attack method is connected to this vulnerability in the current data.

Related case studies

Examples where this vulnerability is mentioned.

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No related case studies. No case study currently mentions this vulnerability.

Source evidence

Original public records and references for this page.

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Original source

Original source links

Open the public records and source datasets used for this page.

NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2023-33009CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-dataaf854a3a-2127-422b-91ae-364da2661108https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-buffer-overflow-vulnerabilities-of-firewalls134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-33009